docs: Moved manual to Doxygen
NSIS: update Start Menu documentation links after Doxygen+Manual consolidation
x300/docs: Clarified programming of IP addresses (Doxygen)
docs: Adjusted CMake so Doxygen builds either manual, API docs, or both
doxygen: readded removed STRIP_FROM_INC_PATH patch for correct include paths
doxygen: brought over X3x0 doc fixes from old manual
usrp_burn_mb_eeprom: deprecated --key and --val arguments

* New method: --values="key1=value1,key2=value2"
* To read key2: --values="key1=value1,key2,key3=value2"
* Added --read-all option to read all values in EEPROM without burning
* Old arguments still work but print deprecation warning

Conflicts:
	host/docs/usrp_x3x0.rst
Brought over usrp_burn_mb_eeprom documentation changes from master
Merge branch 'maint'
Merging Doxygen manual into 'master'.
Merge branch 'maint'
Merge branch 'maint'
Merge branch 'maint'
Merge branch 'maint'
Merge branch 'maint'
Merge branch 'maint'
Merge branch 'maint'
Merge branch 'maint'
usrp_n2xx_simple_net_burner: implement features from old Python burner

* --dont-check-rev ignores USRP revision, useful when EEPROM is corrupted
* --overwrite-safe overwrites safe images after warning user of danger
Merge branch 'maint'